Hillgrove Resources

Hillgrove Resources was an Australian mining company focused principally on copper production and exploration. Its main operating asset was the Kanmantoo copper mine in South Australia, where the company also held exploration rights connected with possible extensions of the mine and other nearby prospects. The business therefore combined mine operations with regional mineral exploration rather than presenting itself as a diversified global mining group. Hillgrove Resources was listed on the Australian Securities Exchange under the ticker HGO. Its activities were centered in Australia, with the Kanmantoo operation serving as the company’s principal business asset. The company’s exploration portfolio included opportunities around the Kanmantoo district and the Kanappa copper deposit near Sanderson. In May 2026, Hillgrove Resources entered into a binding farm-in agreement with Havilah Resources concerning the Mutooroo copper project. Under the agreement, Hillgrove could earn up to an 80 percent interest by funding a pre-feasibility study. This arrangement expanded the company’s project pipeline beyond its established Kanmantoo operations and linked its growth strategy to staged exploration and development spending. The Hillgrove Resources name was changed in 2026, after which the company became known as Kantra Copper. Accordingly, Hillgrove Resources is best understood as the company’s former corporate and market identity, while the continuing business was represented by the Kantra Copper name following the rebrand. The available reference material does not establish the original founding year, founder, headquarters city, detailed production figures, financial performance, executive roster, or a standalone consumer-facing product brand.

Hillgrove Resources operated as an Australian copper mining and exploration company. Its principal activity was the operation of the Kanmantoo copper mine in South Australia, making the Kanmantoo district the central asset and geographic focus of the business. Alongside mine operations, the company held exploration rights for nearby opportunities, including possible extensions to the Kanmantoo mine and the Kanappa deposit near Sanderson. The company’s business model was based on developing and operating copper resources within Australia. This involved a combination of production from the Kanmantoo operation and exploration intended to extend the life, scale, or regional resource base associated with the company’s South Australian activities. The available reference material does not provide a verified founding date, original founder, detailed production history, or a chronology of individual mine-development phases, so those details are not included here. Hillgrove Resources was publicly traded on the Australian Securities Exchange under the code HGO. Its public-market identity was tied to its copper assets and project-development plans rather than to a broad portfolio of metals or international mining operations. The company’s exploration interests around Kanmantoo and at Kanappa provided potential avenues for resource growth within the same general regional focus. In May 2026, Hillgrove Resources entered into a binding farm-in agreement with Havilah Resources for the Mutooroo copper project. The arrangement contemplated Hillgrove earning up to an 80 percent interest by financing a pre-feasibility study. A farm-in structure of this kind allowed the company to pursue a material project interest through staged funding and technical evaluation rather than by an immediately disclosed outright acquisition. Later in 2026, the company changed its name from Hillgrove Resources to Kantra Copper. The renaming marked the end of Hillgrove Resources as the company’s operating and market-facing name, while the underlying business continued under the new identity. The successor name reflected the company’s copper focus and its connection with the Kanmantoo region. Because the subject is the former Hillgrove Resources identity, it is treated here as a defunct corporate brand rather than being remapped to the successor name.

• 2026

  Mutooroo farm-in agreement

  [1]Kantra Copperen.wikipedia.org

  Hillgrove Resources entered into a binding farm-in agreement with Havilah Resources, providing a path to earn up to an 80 percent interest in the Mutooroo copper project by funding a pre-feasibility study.

• 2026

  Renaming as Kantra Copper

  [1]Kantra Copperen.wikipedia.org

  The company changed its name from Hillgrove Resources to Kantra Copper, ending use of Hillgrove Resources as its corporate identity.

An Australian copper-focused mining and exploration company centered on the operation and expansion of the Kanmantoo mining district, with additional regional project development interests.

• Copper mine

  Kanmantoo copper mine

  The Kanmantoo copper mine in South Australia was Hillgrove Resources’ principal operating asset. It formed the core of the company’s mining business and was complemented by exploration rights covering potential extensions to the mine and nearby copper opportunities.

• Copper exploration project

  Kanappa copper prospect

  Kanappa was identified as a copper exploration prospect near Sanderson within Hillgrove Resources’ broader regional exploration portfolio. The available reference does not provide sufficient information to establish a development timetable, resource estimate, or production status.

• Copper development project · 2026

  Mutooroo copper project

  The Mutooroo copper project became associated with Hillgrove Resources through a May 2026 farm-in agreement with Havilah Resources. Hillgrove could earn up to an 80 percent interest by funding a pre-feasibility study, subject to the terms of the agreement.

• 2026

  Farm-in to the Mutooroo copper projectM&A

  Background

  Hillgrove Resources sought to expand its copper project pipeline beyond the Kanmantoo district through an agreement with Havilah Resources.

  Action taken

  The company signed a binding farm-in agreement under which it could earn up to an 80 percent interest in Mutooroo by funding a pre-feasibility study.

  Aftermath

  The agreement gave Hillgrove a staged route to a substantial project interest, although the available source does not report the study’s outcome or any subsequent ownership change.

  Source

• 2026

  Corporate name change to Kantra CopperStrategy

  Background

  The company operated around copper assets, particularly the Kanmantoo mine and associated South Australian exploration interests.

  Action taken

  Hillgrove Resources changed its corporate name to Kantra Copper.

  Aftermath

  Hillgrove Resources ceased to be the company’s current name and became its former corporate identity.

  Source

1. 1Kantra Copperen.wikipedia.org